To reduce a load on a patient to be treated with a radiation.
A radiation therapy system includes: a first irradiation device 16-1 for therapy which generates the first radiation for therapy to be used for the radiation therapy; a second irradiation device 16-2 which generates the second radiation for therapy; supporting devices 15-1 to 15-3 for supporting the second and first irradiation devices 16-2 and 16-1 for therapy, thereby allowing the first and second radiations for therapy to be radiated to a part of a subject; and a timing controller 6 for controlling first timing to generate the first radiation for therapy and second timing to generate the second radiation for therapy. In this case, the dose rate of the radiations for therapy to be radiated to a part of the subject is made to be larger compared with an apparatus including only one irradiation device, so that time for the radiation therapy is shortened.
COPYRIGHT: (C)2009,JPO&INPIT
Ichiro Yamashita
Urano Shin
Shinji Nomura
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Keisaku Nakao